package com.qk.mapper;

import com.qk.dto.CourseDto;
import com.qk.entity.Course;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CourseMapper {
    //查询课程列表
    List<Course> selectList(CourseDto courseDto);

    //添加课程
    @Insert("insert into course(name, subject, target, price, description, create_time, update_time) values(#{name}, #{subject}, #{target}, #{price}, #{description}, #{createTime}, #{updateTime})")
    void insert(Course course);

    //删除课程
    @Delete("delete from course where id = #{id}")
    void deleteById(Integer id);

    //根据id查询课程
    @Select("select id, name, subject, target, price, description, create_time, update_time from course where id = #{id}")
    Course selectById(Integer id);

    void update(Course course);
    @Select("select id, name, subject, target, price, description, create_time, update_time from course")
    List<Course> SelectAll();
    @Select("select id, subject, name, price, target, description, create_time, update_time from course where subject = #{subject}")
    List<Course> selectBySubject(Integer subject);
}
